68111995 has 16 divisors (see below), whose sum is σ = 93991680. Its totient is φ = 46414944.

The previous prime is 68111987. The next prime is 68112001. The reversal of 68111995 is 59911186.

It is a cyclic number.

It is not a de Polignac number, because 68111995 - 2³ = 68111987 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 265 + ... + 11674.

It is an arithmetic number, because the mean of its divisors is an integer number (5874480).

Almost surely, 2^68111995 is an apocalyptic number.

68111995 is a deficient number, since it is larger than the sum of its proper divisors (25879685).

68111995 is a wasteful number, since it uses less digits than its factorization.

68111995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12114.

The product of its digits is 19440, while the sum is 40.

The square root of 68111995 is about 8252.9991518235. Note that the first 3 decimals coincide. The cubic root of 68111995 is about 408.3894681492.

The spelling of 68111995 in words is "sixty-eight million, one hundred eleven thousand, nine hundred ninety-five".